"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

It comes after the US president directed his administration to declassify more information on the issue ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

A Harvard astronomer, known for his provocative theories regarding extraterrestrial visits, has been selected by the White ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...